2041 prefetch_event(char *buf, u64 head, size_t mmap_size,  in prefetch_event()  argument
2050 	if (head + sizeof(event->header) > mmap_size)  in prefetch_event()
2057 	if (head + event->header.size <= mmap_size)  in prefetch_event()
2065 		 " fuzzed or compressed perf.data?\n",__func__, head, event->header.size, mmap_size);  in prefetch_event()
2071 fetch_mmaped_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)  in fetch_mmaped_event()  argument
2073 	return prefetch_event(buf, head, mmap_size, needs_swap, ERR_PTR(-EINVAL));  in fetch_mmaped_event()
2077 fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)  in fetch_decomp_event()  argument
2079 	return prefetch_event(buf, head, mmap_size, needs_swap, NULL);  in fetch_decomp_event()
2148 	size_t	mmap_size;  in reader__process_events()  local
2161 	mmap_size = MMAP_SIZE;  in reader__process_events()
2162 	if (mmap_size > data_size) {  in reader__process_events()
2163 		mmap_size = data_size;  in reader__process_events()
2177 	buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, rd->fd,  in reader__process_events()
2193 	event = fetch_mmaped_event(head, mmap_size, buf, session->header.needs_swap);  in reader__process_events()
2199 			munmap(mmaps[map_idx], mmap_size);  in reader__process_events()